Footrest



FIG. 1 is a three-quarter profile view of showing the new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is right side view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is bottom view thereof.

The broken lines depicted in the Figures depict environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a footrest, as shown and described. 